| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been responsible for [adj] [noun pl] | 13 |
|
| 2 | [verb] been responsible for [adj] [noun pl] | 8 |
|
| 3 | [vb past] been responsible for [adj] [noun pl] | 5 |
|
| 4 | had been responsible for [adj] [noun pl] | 5 |
|
